.right-nav {
      position: fixed;
      right: 0;
      top: 50%;
      transform: translate(0, -50%);
      width: 254px;
      height: 494px;
      background: url(../img/right_nav_bg.png) no-repeat;
    }

    .right-nav .right-list {
      position: relative;
      left: 60px;
    }

    .right-nav .right-list .item {
      width: 117px;
      height: 38px;
      background: url(../img/right_all.png) no-repeat;
    }

    .right-nav .right-list .code {
      height: 116px;
      text-align: center;
      background-position: 0 -3px;
    }

    .right-nav .right-list .code img {
      width: 111px;
      height: 110px;
      margin-top: 3px;
    }

    .right-nav .right-list .item.weibo {
      background-position: -122px -120px;
    }
    .right-nav .right-list .item.weibo:hover{
      background-position: -122px -240px;
    }

    .right-nav .right-list .item.weixin {
      background-position: -122px -160px;
    }

    .right-nav .right-list .item.weixin:hover {
      background-position: -122px -200px;
    }

    .right-nav .right-list .item.shipin {
      background-position: -122px 0;
    }

    .right-nav .right-list .item.shipin:hover {
      background-position: -122px -42px;
    }

    .right-nav .right-list .item a {
      display: block;
      height: 100%;
    }